PISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 351 



caudal with obscure dusky tints. Lower fins with nearly amber 

 yellow tinge. 



Only known from the type. 



No. 51096 A.N.S.P. Tananarive, Madagascar. M. C. Lamberton. 

 Length 158 mm. 



TERAPON ALUGATORIS Rendahl 



Terapon alUgatoris Rendahi>, Nyt Mag. Naturw. Kristiania, vol. 60, 1922, p. 

 185. South Alligator and McKinley Rivers, Northwest Australia. 



Depth 23/5 to 2^; head 23/5 to 2%. Snout 2^^ to 2^^ in head, 

 sharply pointed; eye 31/2 to 41/5, 1% to 1% in snout; upper jaw 

 longer than lower; interorbital 5 to 5i^^ in head; hind edge and 

 angle of preopercle serrated, lower edge entire ; opercle with 2 spines, 

 lower not produced beyond opercular lobe. Gill rakers 9 + 17, longest 

 1/3 of eye. 



Scales 63 along above lateral line to caudal base, 46 along below 

 lateral line to caudal base; 7 scales above lateral line to middle of 

 spinous dorsal base, scales on cheek in 7 rows. Suprascapula and 

 coracoid bones denticulate. 



D. XII, 12 or 13, fifth spine 2 to 2^tj in head, longest ray 2^4 to 

 2% ; A. Ill, 8, second spine 1^ to 2^jj ; dorsal and anal spines long 

 and strong. 



Light brown, paler below. Back with slight purplish tinge. On 

 hind border of soft dorsal and anal black basal blotch. Pectoral 

 yellowish, other fins with dark membranes. Length 87 mm. (Ren- 

 dahl.) 



North West Australia. 



TERAPON ELONGATUS (Guichenot) 



Datnia elongata Gxhchenot, Mem. Soc. Sci. Nat. Cherbourg, vol. 12, 1866, p. 



133. Madagascar. 

 Therapon elonyaUis Sauvagb, Hist. Nat. Madagascar, Poiss., 1891, p. 154, pi. 9, 



figs. 1-a (type). 



Depth 2%; head 2%. Snout 3 in head; eye 3%, 1% in snout, 1 

 in interorbital; maxillary reaches % in snout, length 2,y^ in head; 

 upper teeth slightly larger than lower; interorbital but slightly 

 elevated; preopercle denticulate, denticles as 3 or 4 strong spines 

 around angle. 



Scales 65 in lateral line; 10 scales above lateral line, 20 below. 



D. XII, 10, fourth spine 1^^^ in head, first ray 2^^; A. Ill, 8, 

 second spine 14^, second ray 1%; caudal 1%, truncate; least depth 

 of caudal peduncle 3% ; pectoral 1% ; ventral 14^. 



Silvery, deeper colored on back. Each side of body with 3 broad 

 brownish or blackish longitudinal bands composed of approximat- 

 ing dots, one on snout before eye and another on opercle. Dorsal 



